Sony XR-CA430X / XR-CA440 / XRS-CA500 Service Manual ▷ View online
XR-CA430X/CA440
21
21
6-5.
SCHEMATIC DIAGRAM – MAIN Board (3/3) –
•
See page 15 for IC Block Diagrams.
(Page 23)
(Page 20)
(Page 19)
XR-CA430X/CA440
22
22
KEY BOARD
(COMPONENT SIDE)
1-683-350-
11
(11)
A
K
A
K
A
K
A
K
KA
A
K
KA
S2
K1
K1
S1
A1
A1
A1
S1
S1
K1
S2
S2
A1
S1
S1
K1
S2
S2
A1
S1
S1
K1
S2
S2
A1
S1
S1
K1
S2
S2
A1
S1
S1
K1
S2
S2
A1
S1
S1
K1
S2
S2
A1
S1
S1
K1
S2
S2
A1
S1
S1
K1
S2
S2
A1
S1
S1
K1
S2
S2
A1
S1
S1
K1
S2
S2
A1
S1
S1
K1
S2
S2
S2
K1
K1
S1
A1
A1
LCD901
LIQUID CRYSTAL DISPLAY
1
50
(ILLUMINATION)
SOURCE
SEL
AE
MODE
ATT
VOL
+
−
−
1
BTM
SENS
+
2
DISC
−
+
ALBM
REP
3
SHUF
4
ATA
6
BL SKIP
5
TA
DSPL
MTL
PTY
OFF
MBP
D-BASS
(ILLUMINATION)
SEEK
AMS
KEY BOARD
(CONDUCTOR SIDE)
1-683-350-
11
(11)
IC901
PL902
(LCD BACK LIGHT)
PL901
(LCD BACK LIGHT)
A K
K
K
K
A
MAIN BOARD
CN701
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
E
F
G
H
A
K
LED902, 903, 922,
923, 940, 950
6-6.
PRINTED WIRING BOARD – KEY Board –
(Page 18)
• Semiconductor
Location
Ref. No.
Location
D901
G-10
D991
F-9
IC901
F-7
LED902
C-1
LED903
C-2
LED906
C-1
LED922
C-13
LED923
C-14
LED940
C-12
LED950
C-3
XR-CA430X/CA440
23
23
R919
R929
R939
R985
R984
R983
R921
R901
R902
R922
R923
R903
R904
R924
R925
R905
R906
R926
R927
R907
R908
R909
R910
R911
R912
R913
R914
R951
R941
R931
R954
R944
R934
R955
R945
R935
R957
R947
R937
R956
R946
R936
R987
R977
R967
R992
R991
R990
LED902
LED903
LED922
LED923
LED906
LED950
C994
D991
C991
C993
C992
R995
C995
R996
R998
R997
CN901
PL901
LSW920(1/2)
LSW900(1/2)
LSW900(2/2)
LSW920(2/2)
LSW926(1/2)
LSW926(2/2)
LSW925(1/2)
LSW901(1/2)
LSW901(2/2)
LSW925(2/2)
LSW923(1/2)
LSW927(1/2)
LSW911(1/2)
LSW907(1/2)
LSW905(1/2)
LSW921(1/2)
LSW924(1/2)
LSW924(2/2)
LSW921(2/2)
LSW905(2/2)
LSW907(2/2)
LSW911(2/2)
LSW927(2/2)
LSW923(2/2)
LSW903(1/2)
LSW904(1/2)
LSW913(1/2)
LSW914(1/2)
LSW912(1/2)
LSW908(1/2)
LSW909(1/2)
LSW910(1/2)
LSW908(2/2)
LSW909(2/2)
LSW910(2/2)
LSW912(2/2)
LSW914(2/2)
LSW913(2/2)
LSW903(2/2)
LSW904(2/2)
R932
R942
R952
R933
R943
R953
R981
R980
R994
R999
S922
S902
D901
S906
1k
1k
1k
680
680
680
680
680
680
1k
1k
1.5k
1.5k
1.5k
1.5k
2.2k
2.2k
3.3k
4.7k
6.8k
10k
15k
22k
47k
1.5k
1.5k
1.5k
680
680
680
680
680
680
680
680
680
680
680
680
680
680
680
2.2k
2.2k
2.2k
100p
0.022
0.1
0.1
1M
0.22
1k
1k
1k
12P
680
680
680
680
680
680
470
1k
330k
0
UMZ6.8ENTR
CE
CL
DI
CE
DI
CL
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
COM1
COM2
COM3
COM4
SEG15
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG47
SEG48
SEG49
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
GND
KEY-1
KEY-0
CE-LCD
DATA-LCD
CLK-LCD
+B
PANEL
+B
GND
GND
NC
D
IM
M
E
R
S47
S48
S49
COM1
COM2
COM3
COM4
VDD
VDD1
VDD2
VSS
OSC
CE
CL
DI
INH
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
10
S
11
S
12
S
13
S
14
S
15
(LCD BACK LIGHT)
LED902,903
∗
SOURCE
∗
D991
∗
LED922,923
D-BASS
∗
LED906
MODE
∗
LED950
OFF
SOURCE
MBP
TA
+
VOL
VOL
-
ATT
MODE
AE
BTM
SENS
REP
3
SHUF
4
SEEK AMS
SEEK AMS
D-BASS
SEL
DSPL
MTL
PTY
∗
R919,929,939
10 (CA440)
22 (CA430X)
LCD901
LIQUID CRYSTAL DISPLAY
N
C
S
1
S2
S
3
S4
S
5
S6
S
7
S8
S
9
S
10
S
11
S
12
S
13
S
14
S
15
S16
S
17
S18
S
19
S20
S21
S22
S23
S2
4
S2
5
S
26
S
27
S28
S
29
S
30
S
31
S
32
S33
S
34
S
3
5
S3
6
S3
7
S38
S
3
9
S4
0
S4
1
S4
2
S43
S4
4
S
4
5
S4
6
S47
S4
8
S4
9
CO
M
1
CO
M
2
CO
M
3
CO
M
4
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG49
COM1
COM2
COM3
COM4
IC901
LC75824W
LCD DRIVER
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
N
C
S
46
S
45
S
44
S
43
S
42
S
41
S
39
S
38
S
40
S
37
S
36
S
35
S
34
S
33
S
32
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG38
SEG39
ALBM +
ATA
6
1
DISC -
DISC +
2
ALBM -
BL SKIP
5
CL-190SR (CA430X)
CL-190PG (CA440)
CL-190SR (CA430X)
CL-190FG (CA440)
CL-190FG (CA440)
CL-190SR (CA430X)
(ILLUMINATION)
CL-190SR (CA430X)
CL-190PG (CA440)
UDZ-TE-17-4.7B (CA440)
UDZ-TE-17-5.1B (CA430X)
PL902
(LCD BACK LIGHT)
LED940
CL-190FG (CA440)
CL-190SR (CA430X)
(ILLUMINATION)
6-7.
SCHEMATIC DIAGRAM – KEY Board –
•
See page 14 for Waveform.
(Page 21)
XR-CA430X/CA440
24
24
•
MAIN BOARD IC501 MN101C49KSA1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VREF–
I
Reference voltage (0V) input terminal (for A/D converter)
2
VSM
I
FM and AM signal meter voltage detection signal input from the FM/AM tuner unit (TU1)
(A/D input)
(A/D input)
3
NIL
I
Not used (fixed at “L”)
4
KEYIN1
I
Key input terminal (A/D input) S907, S908, LSW905 to LSW915
(SEEK/AMS – . m, SEEK/AMS + > M, MBP, D-BASS D, DSPL, MTL PTY, TA,
ATA 6, BL SKIP 5, SHUF 4, REP 3, 2 DISC +, 1 DISC– keys input)
(SEEK/AMS – . m, SEEK/AMS + > M, MBP, D-BASS D, DSPL, MTL PTY, TA,
ATA 6, BL SKIP 5, SHUF 4, REP 3, 2 DISC +, 1 DISC– keys input)
5
KEYIN0
I
Key input terminal (A/D input) S901 to S906, LSW901 to LSW904 (OFF, SRC SOURCE, +
(VOLUME), – (VOLUME), MODE o, SEL, Z, ATF, BTM SENS, AF keys input)
(VOLUME), – (VOLUME), MODE o, SEL, Z, ATF, BTM SENS, AF keys input)
6
RCIN0
I
Rotary remote commander key input terminal (A/D input) (XR-CA440 only)
7
QUALITY
I
Noise level detection signal input at SEEK mode (A/D input)
8
MPTH
I
Multi-path detection signal input from the RDS decoder (IC51) (A/D input)
9
NIL
I
Not used (fixed at “L”)
10
VREF+
I
Reference voltage (+5V) input terminal (for A/D converter)
11
VDD
—
Power supply terminal (+5V)
12
OSCOUT
O
Main system clock output terminal (18.432 MHz)
13
OSCIN
I
Main system clock input terminal (18.432 MHz)
14
VSS
—
Ground terminal
15
XI
I
Sub system clock input terminal (32.768 kHz)
16
XO
O
Sub system clock output terminal (32.768 kHz)
17
MMOD
I
Selection signal of memory mode input terminal “L”:single chip mode (fixed at “L”)
18
LCDSO
O
Serial data output to the liquid crystal display driver (IC901)
19
LCDCE
O
Chip enable signal output to the liquid crystal display driver (IC901) “H” active
20
LCDCKO
O
Serial data transfer clock signal output to the liquid crystal display driver (IC901)
21 to 23
NCO
O
Not used (open)
24
SYSRST
O
Reset signal output to the SONY bus interface (IC581) “L”: reset
25
BUSON
O
Bus on/off control signal output to the SONY bus interface (IC581) “L”: bus on
26
KEYACK
I
Input of acknowledge signal for the key entry Acknowledge signal is input to accept function
and eject keys in the power off status On at input of “H”
and eject keys in the power off status On at input of “H”
27
DAVN
I
Synchronized detection signal of RDS data block input from the RDS decoder (IC51)
“H” active
“H” active
28
BUIN
I
Battery detection signal input from the SONY bus interface (IC581)
“L” is input at low voltage
“L” is input at low voltage
29
SIRCS
I
SIRCS remote control signal input terminal Not used (open)
30, 31
NIL
I
Not used (fixed at “L”)
32
NIH
I
Not used (fixed at “H”)
33
RESET
I
System reset signal input from the reset signal generator (IC551) and reset switch (S551)
“L”: reset “L” is input for several 100 msec after power on, then it changes to “H”
“L”: reset “L” is input for several 100 msec after power on, then it changes to “H”
34
TUNON
O
Tuner system power supply on/off control signal output “H”: tuner power on
35
BEEP
O
Beep sound drive signal output to the power amplifier (IC751)
36
PW_ON
O
Main system power supply on/off control signal output “H”: power on
37
NCO
I
Not used (open)
38
ACCIN
I
Accessory detection signal input “L”: accessory on
39
NCO
O
Not used (open)
40
TELATT
I
Telephone attenuate signal input At input of “H”, the signal is attenuated by –20 dB
41
NIH
I
Not used (fixed at “H”)
42
BUSSO
O
Serial data output to the SONY bus interface (IC581)
43
BUSSI
I
Serial data input from the SONY bus interface (IC581)
6-8.
IC PIN FUNCTION DESCRIPTION
Pin No.
Pin Name
I/O
Description
44
BUSCKO
O
Serial data transfer clock signal output to the SONY bus interface (IC581)
45
IIC SIO
I/O
Two-way data IIC bus with the FM/AM tuner unit (TU1), RDS decoder (IC51) and electrical
volume (IC331)
volume (IC331)
46
NCO
O
Not used (open)
47
IIC CKO
O
IIC bus clock signal output to the FM/AM tuner unit (TU1), RDS decoder (IC51) and electrical
volume (IC331)
volume (IC331)
48
AMPON
O
Standby on/off control signal output to the power amplifier (IC751)
“L”: standby mode, “H”: amplifier on
“L”: standby mode, “H”: amplifier on
49
AMPATT
O
Muting on/off control signal output to the power amplifier (IC751) “L”: muting on
50
ATT
O
Audio line muting on/off control signal output “H”: muting on
51
NCO
O
Not used (open)
52
AMSON
O
Tape auto music sensor control signal output to the CXA2509AQ (IC301)
“L”: auto music sensor on
“L”: auto music sensor on
53
F/ROUT
O
Forward/reverse control signal output to the CXA2509AQ (IC301)
“L”: reverse direction, “H”: forward direction
“L”: reverse direction, “H”: forward direction
54
MTLON
O
METAL on/off control signal output to the CXA2509AQ (IC301) “H”: METAL on
55
TAPATT
O
Tape muting on/off control signal output to the CXA2509AQ (IC301) “H”: muting on
Active at ATA, FF/REW mode
Active at ATA, FF/REW mode
56
NCO
O
Not used (open)
57
AMSIN
I
Whether a music is present or not from CXA2509AQ (IC301) is detected at auto music sensor
“L”: music is present, “H”: music is not present
“L”: music is present, “H”: music is not present
58
NCO
O
Not used (open)
59
VOLATT
O
Pre amplifier muting on/off control signal output to the electrical volume (IC331)
“L”: muting on
“L”: muting on
60 to 64
NCO
O
Not used (open)
65
FLASH_W
I
Internal flash memory data write mode detection signal input terminal “L”: data write mode
Not used (open)
Not used (open)
66
TESTIN
I
Setting terminal for the test mode “L”: test mode, normally fixed at “H”
67
RCIN1
I
Rotary remote commander shift key input terminal (XR-CA440 only) “L”: shift key on
68 to 73
NCO
O
Not used (open)
74
EEP SIO
I/O
Two-way data bus for tuner EEPROM with the FM/AM tuner unit (TU1)
75
EEP CKO
I/O
Two-way bus clock signal for tuner EEPROM with the FM/AM tuner unit (TU1)
76
COLSEL
I
Setting terminal for the illumination color
“L”: amber (XR-CA430X: AMBER), “H”: green (XR-CA440: GREEN)
“L”: amber (XR-CA430X: AMBER), “H”: green (XR-CA440: GREEN)
77 to 81
NCO
O
Not used (open)
82
AD ON
O
A/D converter power control signal output terminal
When the KEYACK (pin wh) that controls reference voltage power for key A/D conversion input
is active, “L” is output from this terminal to enable the input
When the KEYACK (pin wh) that controls reference voltage power for key A/D conversion input
is active, “L” is output from this terminal to enable the input
83
ILLON
O
Power on/off control signal output of the illumination LED and liquid crystal display driver
(IC901) “H”: power on
(IC901) “H”: power on
84
REL
I
Rotation detection signal input from supply reel sensor and take-up reel sensor on the mechanism
deck
deck
85
POS3
I
86
POS2
I
87
POS0
I
88
POS1
I
89
LMLOD
O
Motor drive signal output to the loading motor drive (IC351) “H” active
(For the loading direction and forward side operation) *1
(For the loading direction and forward side operation) *1
90
LMEJ
O
Motor drive signal output to the loading motor drive (IC351) “H” active
(For the eject direction and reverse side operation) *1
(For the eject direction and reverse side operation) *1
Tape position (EJECT/FF/REW/REV/
FWD mode) detect input from the tape
operation switch on the deck mechanism
FWD mode) detect input from the tape
operation switch on the deck mechanism
POS3: “L”: REV and EJECT mode, “H”: others mode
POS2: “L”: REW mode, “H”: others mode
POS0: “L”: EJECT mode, “H”: others mode
POS1: “L”: FF and FWD mode, “H”: others mode
POS2: “L”: REW mode, “H”: others mode
POS0: “L”: EJECT mode, “H”: others mode
POS1: “L”: FF and FWD mode, “H”: others mode
Ver 1.1
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